1141224155 has 8 divisors (see below), whose sum is σ = 1398606912. Its totient is φ = 893554048.

The previous prime is 1141224137. The next prime is 1141224163. The reversal of 1141224155 is 5514221411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141224155 - 2¹⁶ = 1141158619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427902 + ... + 2428371.

It is an arithmetic number, because the mean of its divisors is an integer number (174825864).

Almost surely, 2^1141224155 is an apocalyptic number.

1141224155 is a deficient number, since it is larger than the sum of its proper divisors (257382757).

1141224155 is an equidigital number, since it uses as much as digits as its factorization.

1141224155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856325.

The product of its digits is 1600, while the sum is 26.

The square root of 1141224155 is about 33782.0093392918. The cubic root of 1141224155 is about 1045.0177129694.

Adding to 1141224155 its reverse (5514221411), we get a palindrome (6655445566).

The spelling of 1141224155 in words is "one billion, one hundred forty-one million, two hundred twenty-four thousand, one hundred fifty-five".